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vitelline sac

讀音

漢語翻譯

【醫】 卵黃囊

英文解釋:

名詞 vitelline sac:

  1. membranous structure that functions as the circulatory system in mammal embryos until the heart becomes functional
    同義詞:yolk sac, umbilical vesicle, vesicula umbilicus

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